:root {
  --primary: #0f172a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --light: #f8fafc;
  --gray: #64748b;
  --card-bg: #ffffff;
  --border: #e2e8f0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--primary);
  background: var(--light);
}

/* Header & Nav */
header {
  background: var(--primary);
  color: white;
  padding: 1rem 1.25rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  position: relative;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: white;
  z-index: 102;
}

.logo span {
  color: var(--accent);
}

/* Hamburger button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  z-index: 102;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  position: relative;
  transition: background 0.25s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: white;
  transition: transform 0.25s, top 0.25s;
}

.nav-toggle span::before {
  top: -7px;
}

.nav-toggle span::after {
  top: 7px;
}

/* Open state (X icon) */
.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}

nav a:hover,
nav a.active {
  color: white;
}

/* Hero (home) */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  color: white;
  padding: 5rem 1.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.75rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

/* Page hero (product pages) */
.page-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  color: white;
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  margin-bottom: 0.75rem;
}

.page-hero p {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  max-width: 650px;
  margin: 0 auto;
  opacity: 0.9;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 0.85rem 1.8rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s;
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* Sections */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

.section.narrow {
  max-width: 900px;
}

.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--primary);
}

.section.narrow h2 {
  text-align: left;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin-bottom: 1.25rem;
}

.section > p.lead {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.5rem;
  color: var(--gray);
  font-size: clamp(1rem, 2vw, 1.1rem);
}

.section p,
.section li {
  color: var(--gray);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.section ul {
  margin: 1rem 0 1.5rem 1.25rem;
}

.section li {
  margin-bottom: 0.6rem;
}

/* Platform cards (home) */
.platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.platform-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.platform-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.platform-card h3 {
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.platform-card p {
  color: var(--gray);
  margin-bottom: 1rem;
}

.platform-card .learn-more {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Features (home) */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.feature {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.feature h4 {
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.feature p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* Achievements */
.achievements {
  background: white;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  margin-top: 1rem;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin: 1.75rem 0;
  text-align: center;
}

.stat strong {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--accent);
}

/* Highlight box */
.highlight-box {
  background: white;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.highlight-box h3 {
  margin-bottom: 0.5rem;
  color: var(--accent);
}

/* Workflow steps (Social) */
.workflow {
  display: grid;
  gap: 1.25rem;
  margin: 2rem 0;
}

.step {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.step-num {
  background: var(--accent);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

/* Features grid (CRM) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.feature-card p {
  font-size: 0.95rem;
  margin: 0;
}

/* Patent box & destinations (Video) */
.patent {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
}

.patent strong {
  display: block;
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.destinations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin: 1.5rem 0 2rem;
}

.dest {
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.1rem 0.75rem;
  text-align: center;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
}

/* CTA */
.cta {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 3.5rem 1.5rem;
}

.cta h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
}

.cta p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

/* Footer */
footer {
  background: #020617;
  color: #94a3b8;
  text-align: center;
  padding: 2rem 1.25rem;
  font-size: 0.9rem;
}

footer a {
  color: #60a5fa;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

footer p + p {
  margin-top: 0.6rem;
}

/* ========== Mobile navigation ========== */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  nav.open {
    display: flex;
  }

  nav a {
    padding: 0.85rem 1.5rem;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  nav a:last-child {
    border-bottom: none;
  }

  .nav-container {
    flex-wrap: nowrap;
  }

  /* Prevent body scroll when menu is open */
  body.nav-open {
    overflow: hidden;
  }

  .hero {
    padding: 3.5rem 1.25rem;
  }

  .section {
    padding: 2.75rem 1.25rem;
  }

  .achievements {
    padding: 1.5rem 1.15rem;
  }

  .stats {
    gap: 1.25rem;
  }

  .platform-card:hover {
    transform: none;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.2rem;
  }

  .destinations {
    grid-template-columns: 1fr 1fr;
  }

  footer p:first-child {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 0.5rem;
  }
}

/* Platform card links */
.platform-card {
  display: flex;
  flex-direction: column;
}

.platform-card .card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: auto;
  padding-top: 0.25rem;
}

.platform-card .learn-more {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.platform-card .learn-more:hover {
  text-decoration: underline;
}

/* Hero side-by-side buttons */
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  margin-top: 1.75rem;
}

.page-hero .hero-buttons .btn {
  min-width: 140px;
}

/* Forms */
.contact-form {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--primary);
  background: #fff;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-form .btn {
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: center;
  margin-top: 0.5rem;
}

.form-note {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--gray);
  font-size: 0.95rem;
}

.form-note a {
  color: var(--accent);
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .hero-buttons .btn {
    flex: 1 1 auto;
    min-width: 120px;
  }
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.logo-text {
  display: none;
}

/* Legal pages */
.legal-content h2 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
  color: var(--primary);
  text-align: left;
}

.legal-content h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.5rem;
  color: var(--primary);
}

.legal-content h4 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.4rem;
  color: var(--primary);
}

.legal-content ul {
  margin: 0.5rem 0 1.25rem 1.5rem;
}

.legal-content li {
  margin-bottom: 0.4rem;
}

.legal-content a {
  color: var(--accent);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

.legal-content strong {
  color: var(--primary);
}

/* Hero backgrounds with dark overlay for readable text */
.hero,
.page-hero {
  position: relative;
  background-color: #0f172a;
  background-size: cover;
  background-position-x: center;
	background-position-y: bottom;
  background-repeat: no-repeat;
  isolation: isolate;
}

.hero::before,
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(30, 58, 95, 0.75) 100%);
  z-index: -1;
}

.hero-home {
  background-image: url('images/Intensify-Digital-Background.jpg');
}

.hero-social {
  background-image: url('images/Intensify-Social-Background.jpg');
}

.hero-crm {
  background-image: url('images/Intensify-CRM-Background.jpg');
}

.hero-video {
  background-image: url('images/Intensify-Video-Background.jpg');
}

@media (max-width: 480px) {
  .logo-img {
    height: 30px;
  }
}